/* 清除内外边距 */
body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

/* 设置盒子模型的边界 */
*, *::before, *::after {
  box-sizing: border-box;
}

/* 清除列表样式 */
ul, ol {
  list-style: none;
}

/* 清除图片和iframe的边框 */
img, iframe {
  border: 0;
}

/* 清除a标签的默认颜色和下划线 */
a {
  text-decoration: none;
  color: inherit; /* 或者指定一个颜色，如 color: #000; */
}
a:hover {
  cursor: pointer;
}

img {
width: 100%;
height: 100%;
}

button {
  border: 0;
}

.yellow-btn {
  width: 192px;
  height: 54px;
  font-size: 16px;
  color: #1A1A1A;
  text-align: center;
  background: #FFC637;
  border-radius: 183px 183px 183px 183px;
}

.flex-row-center {
  display: flex;
  align-items: center;
}

.flex-row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-column-center {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}